diff --git a/aleksis/apps/alsijil/forms.py b/aleksis/apps/alsijil/forms.py
index 18c3ba48fb1f1f86eaaf4905e9ef4eb85e21518e..3d7f554eb2750784c3217eeaff4c09baae330520 100644
--- a/aleksis/apps/alsijil/forms.py
+++ b/aleksis/apps/alsijil/forms.py
@@ -47,9 +47,7 @@ class SelectForm(forms.Form):
     layout = Layout(Row("group", "teacher"))
 
     group = forms.ModelChoiceField(
-        queryset=Group.objects.annotate(lessons_count=Count("lessons")).filter(
-            lessons_count__gt=0
-        ),
+        queryset=None,
         label=_("Group"),
         required=False,
         widget=Select2Widget,
@@ -81,6 +79,12 @@ class SelectForm(forms.Form):
         data["instance"] = instance
         return data
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["group"].queryset = Group.objects.for_current_school_term_or_all().annotate(lessons_count=Count("lessons")).filter(
+            lessons_count__gt=0
+        )
+
 
 PersonalNoteFormSet = forms.modelformset_factory(
     PersonalNote, form=PersonalNoteForm, max_num=0, extra=0
diff --git a/aleksis/apps/alsijil/models.py b/aleksis/apps/alsijil/models.py
index 6dc1edee99e8df969c4e51f2938f16cebac7ddce..eb1bc4eb67f37744e589c8daf9d496ff6913f6d3 100644
--- a/aleksis/apps/alsijil/models.py
+++ b/aleksis/apps/alsijil/models.py
@@ -35,7 +35,7 @@ class PersonalNote(ExtensibleModel):
         verbose_name_plural = _("Personal notes")
         unique_together = [["lesson_period", "week", "person"]]
         ordering = [
-            "lesson_period__lesson__date_start",
+            "lesson_period__lesson__validity__date_start",
             "week",
             "lesson_period__period__weekday",
             "lesson_period__period__period",
@@ -63,7 +63,7 @@ class LessonDocumentation(ExtensibleModel):
         verbose_name_plural = _("Lesson documentations")
         unique_together = [["lesson_period", "week"]]
         ordering = [
-            "lesson_period__lesson__date_start",
+            "lesson_period__lesson__validity__date_start",
             "week",
             "lesson_period__period__weekday",
             "lesson_period__period__period",
diff --git a/aleksis/apps/alsijil/views.py b/aleksis/apps/alsijil/views.py
index 45fffc1392bf3a00cf64eaf4c6780844c3f92f4d..8fa58f62a8fa267c92caa35b0de30fa90ed0ff8b 100644
--- a/aleksis/apps/alsijil/views.py
+++ b/aleksis/apps/alsijil/views.py
@@ -276,7 +276,7 @@ def full_register_group(request: HttpRequest, id_: int) -> HttpResponse:
         for week in weeks:
             day = week[lesson_period.period.weekday]
 
-            if lesson_period.lesson.date_start <= day <= lesson_period.lesson.date_end:
+            if lesson_period.lesson.validity.date_start <= day <= lesson_period.lesson.validity.date_end:
                 documentations = list(
                     filter(
                         lambda d: d.week == week.week,